高中英语 unit 3 Period 1 Warming up & listening课件 新人教版必修2 课件VIP免费

Atoy?Ahandbag?Riddles(谜语):Iamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.DoyouknowwhoIam?abacusRiddles(谜语):Iamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculatorRiddles(谜语):Icanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.notebookcomputerDoyouknowwhoIam?Riddles(谜语):AhugecomputerAPCPalmtopHowmuchdoyouknowHowmuchdoyouknowaboutacomputer???aboutacomputer???GivetheEnglishnameofthefollowingpicturesofthecomputercomponents(组件)WhatisitinEnglish??Mainboard(主板)WhatisitinEnglish??CPU(centralprocessingUnit)中央处理器WhatisitinEnglish??harddiscWhatisitinEnglish??Keyboard(键盘)WhatisitinEnglish??monitorscreenWhatisitinEnglish??mouse鼠标DVDROMmonitorscreenmousekeyboardharddiskDVD-ROM(1)thepartofthecomputerthatlookslikeatelevision.(2)thepartofthemonitorthatyoulookat.(3)somethingyouusetoclickonthings(files,etc.)(4)thepartofthecomputerthatyoutypeon.(5)thepartofacomputerthatstoresinformation.(6)ThepartofcomputerthatwecanputaCDin.Workoutthenames1.Besidescomputer,whatelsecanwegetinformationfrom?2.Whichismoreuseful,aTVoraradio?why?3.Whatcanwedowithacomputer?ComputerandInternettypemyhomeworkdrawpicturesplaygamescommunicatewithmyfriends.gatherinformationformylessonslistentomusicwatchmovies……Listentothetapeandanswerthefollowingquestions.1.WhatkindsofITarementionedinthepassage?Computers,books,radiosandTVs.2.WhichkindofITisthebestone.ComputerListentothetapeagainandfillinthechart:TypeofITAdvantagesDisadvantagesBookRadioTVWebYoucanbothlistenand______.Youcan’twritetofriends.Watcha_____,writeto_______,and__________whatisgoingonintheworld.Very_________andtoobigto_____everywhere.Theinformationissometimesnot______.listento________.Youcan’twatchafilm.A_________waytoget___________,cheapand______totake.Sometimesitis____________outofdate.EnglishwatchfilmfindoutfriendswonderfulinformationeasycarrycorrectexpensiveDoyouthinkthecomputerreallyhelpstoyourstudy?Why?•Ithinkthat…•Inmyopinion…•Ibelievethat…•Iagreebecause…•Idisagreebecause…Givinganopinion:Makegooduseofitbutnevergettrappedbyit.wordsandexpression•Mathematical•Calculator(n.)•IT•PC•InmyopinionVt.CalculateInformationTechnologyPersonalComputerTIPSTIPSSomewordsontheInternet:netizen网民Netsurf网络漫游computervirus计算机病毒cyber计算机的，网络的browse浏览cyberspace网络空间scroll滚动显屏accesscharge接入费cursor光标BBS公告板服务backer黑客chatroom聊天室click点击Homework1.预习unit3的reading部分(写在预习本上)2.书P56的EX1和P57的EX2(上)3.阅读导与测p184.复习第一二单元.Computerscanbeusedas…..typewriterprojectorvideogameplayerdrawingboard☻Ithinkthat…☻Inmyopinion,…☻Ibelievethat…☻Iagreebecause…☻Idisagreebecause…GivinganopinionReasoningDiscussion:Isitveryimportanttolearncomputerskillsforus?Whyorwhynot?DiscussionIsitveryimportanttolearncomputerskillsforus?Whyorwhynot?Usethefollowingexpressioninyourdiscussion.Ithinkthat……Inmyopinion…Ibelievethat…What’syourreason?Whydoyouthinkso?Youaregivenachancetodesignacomputerforyourself.Drawapictureaboutitanddescribe(描述)whatfunctionsithas.Youwillbeaskedtointroduce(介绍)yourcomputer.(appearance&functions)